78561010383 has 8 divisors (see below), whose sum is σ = 104866914096. Its totient is φ = 52314556800.

The previous prime is 78561010379. The next prime is 78561010393. The reversal of 78561010383 is 38301016587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78561010383 - 2² = 78561010379 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78561010393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14859448 + ... + 14864733.

It is an arithmetic number, because the mean of its divisors is an integer number (13108364262).

Almost surely, 2^78561010383 is an apocalyptic number.

78561010383 is a deficient number, since it is larger than the sum of its proper divisors (26305903713).

78561010383 is a wasteful number, since it uses less digits than its factorization.

78561010383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29725065.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 78561010383 in words is "seventy-eight billion, five hundred sixty-one million, ten thousand, three hundred eighty-three".